swift 的图片模糊效果

@IBOutlet weak var bg: UIImageView!

@IBOutlet weak var logo: UIImageView!

override func viewDidLoad() {

super.viewDidLoad()

// Do any additional setup after loading the view,typically from a nib.

logo.layer.cornerRadius=70;

logo.clipsToBounds=true;

let blureffect=UIBlurEffect(style: UIBlurEffectStyle.Light);

let blurView = UIVisualEffectView(effect: blureffect)

//设置效果视图类实例的尺寸

blurView.frame.size = CGSize(width: view.frame.width,height: view.frame.height)

//将模糊效果视图类实例放入背景中

bg.addSubview(blurView)

}

代码下载地址http://download.csdn.net/detail/bianhuanshizhe/8651677

（编辑：李大同）

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